Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 260)

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M-4659
8.3 Setting the Computation Channels
Display Span
Sets the upper and lower limits of the display.
The range is from -9999999 to 99999999. Set the number of digits to the right the
decimal to four digits or less.
Alarm and Tag
The settings are the same as the measurement channels. For details, see section 8.2,
“Setting the Measurement Channel.”
TLOG Computation
Timer
Select one of the timers (1 to 3) set in the setup mode.
The computation interval of TLOG computation is set to the time assigned to the selected
timer.
Sum scale
Set the sum scale.
Rolling Average
Interval
Select the sampling interval when rolling average is activated.
Times (Number of samples)
Select the number of samples (number of data points used to compute the rolling
average).
Display Zone, Graph, Partial Expansion, and Color
The settings are the same as the measurement channels. For details, see section 8.2,
“Setting the Measurement Channel.”
Constant
You can set constants to be used in the expression. Up to 12 and 30 constants can be
specified on the DX100/MV100 and DX200/DX200C/MV200, respectively.